8996557 has 4 divisors (see below), whose sum is σ = 9470080. Its totient is φ = 8523036.

The previous prime is 8996551. The next prime is 8996563. The reversal of 8996557 is 7556998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7556998 = 2 ⋅3778499.

It is an interprime number because it is at equal distance from previous prime (8996551) and next prime (8996563).

It is a cyclic number.

It is not a de Polignac number, because 8996557 - 2³ = 8996549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8996557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8996551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236733 + ... + 236770.

It is an arithmetic number, because the mean of its divisors is an integer number (2367520).

Almost surely, 2^8996557 is an apocalyptic number.

It is an amenable number.

8996557 is a deficient number, since it is larger than the sum of its proper divisors (473523).

8996557 is a wasteful number, since it uses less digits than its factorization.

8996557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473522.

The product of its digits is 680400, while the sum is 49.

The square root of 8996557 is about 2999.4261117754. The cubic root of 8996557 is about 207.9818540013.

The spelling of 8996557 in words is "eight million, nine hundred ninety-six thousand, five hundred fifty-seven".